diff --git a/app/Exceptions/Service/Egg/BadJsonFormatException.php b/app/Exceptions/Service/Egg/BadJsonFormatException.php
new file mode 100644
index 000000000..0246f031c
--- /dev/null
+++ b/app/Exceptions/Service/Egg/BadJsonFormatException.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Pterodactyl\Exceptions\Service\Egg;
+
+use Pterodactyl\Exceptions\DisplayException;
+
+class BadJsonFormatException extends DisplayException
+{
+}
diff --git a/app/Exceptions/Service/Pack/InvalidFileUploadException.php b/app/Exceptions/Service/InvalidFileUploadException.php
similarity index 87%
rename from app/Exceptions/Service/Pack/InvalidFileUploadException.php
rename to app/Exceptions/Service/InvalidFileUploadException.php
index 36a1194bf..6d0585d2a 100644
--- a/app/Exceptions/Service/Pack/InvalidFileUploadException.php
+++ b/app/Exceptions/Service/InvalidFileUploadException.php
@@ -7,7 +7,7 @@
  * https://opensource.org/licenses/MIT
  */
 
-namespace Pterodactyl\Exceptions\Service\Pack;
+namespace Pterodactyl\Exceptions\Service;
 
 use Pterodactyl\Exceptions\DisplayException;
 
diff --git a/app/Http/Controllers/Admin/Nests/EggShareController.php b/app/Http/Controllers/Admin/Nests/EggShareController.php
index 8a4e9e76d..b56f8fd2f 100644
--- a/app/Http/Controllers/Admin/Nests/EggShareController.php
+++ b/app/Http/Controllers/Admin/Nests/EggShareController.php
@@ -17,6 +17,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Pterodactyl\Services\Eggs\Sharing\EggExporterService;
 use Pterodactyl\Services\Eggs\Sharing\EggImporterService;
 use Pterodactyl\Http\Requests\Admin\Egg\EggImportFormRequest;
+use Pterodactyl\Services\Eggs\Sharing\EggUpdateImporterService;
 
 class EggShareController extends Controller
 {
@@ -35,21 +36,29 @@ class EggShareController extends Controller
      */
     protected $importerService;
 
+    /**
+     * @var \Pterodactyl\Services\Eggs\Sharing\EggUpdateImporterService
+     */
+    protected $updateImporterService;
+
     /**
      * OptionShareController constructor.
      *
-     * @param \Prologue\Alerts\AlertsMessageBag                     $alert
-     * @param \Pterodactyl\Services\Eggs\Sharing\EggExporterService $exporterService
-     * @param \Pterodactyl\Services\Eggs\Sharing\EggImporterService $importerService
+     * @param \Prologue\Alerts\AlertsMessageBag                           $alert
+     * @param \Pterodactyl\Services\Eggs\Sharing\EggExporterService       $exporterService
+     * @param \Pterodactyl\Services\Eggs\Sharing\EggImporterService       $importerService
+     * @param \Pterodactyl\Services\Eggs\Sharing\EggUpdateImporterService $updateImporterService
      */
     public function __construct(
         AlertsMessageBag $alert,
         EggExporterService $exporterService,
-        EggImporterService $importerService
+        EggImporterService $importerService,
+        EggUpdateImporterService $updateImporterService
     ) {
         $this->alert = $alert;
         $this->exporterService = $exporterService;
         $this->importerService = $importerService;
+        $this->updateImporterService = $updateImporterService;
     }
 
     /**
@@ -76,7 +85,8 @@ class EggShareController extends Controller
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
-     * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException
+     * @throws \Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
      */
     public function import(EggImportFormRequest $request): RedirectResponse
     {
@@ -85,4 +95,24 @@ class EggShareController extends Controller
 
         return redirect()->route('admin.nests.egg.view', ['egg' => $egg->id]);
     }
+
+    /**
+     * Update an existing Egg using a new imported file.
+     *
+     * @param \Pterodactyl\Http\Requests\Admin\Egg\EggImportFormRequest $request
+     * @param int                                                       $egg
+     * @return \Illuminate\Http\RedirectResponse
+     *
+     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     * @throws \Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
+     */
+    public function update(EggImportFormRequest $request, int $egg): RedirectResponse
+    {
+        $this->updateImporterService->handle($egg, $request->file('import_file'));
+        $this->alert->success(trans('admin/nests.eggs.notices.updated_via_import'))->flash();
+
+        return redirect()->route('admin.nests.egg.view', ['egg' => $egg]);
+    }
 }
diff --git a/app/Http/Controllers/Admin/PackController.php b/app/Http/Controllers/Admin/PackController.php
index 742f1ed0a..ae6c86fda 100644
--- a/app/Http/Controllers/Admin/PackController.php
+++ b/app/Http/Controllers/Admin/PackController.php
@@ -156,7 +156,7 @@ class PackController extends Controller
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException
-     * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidPackArchiveFormatException
      * @throws \Pterodactyl\Exceptions\Service\Pack\UnreadableZipArchiveException
      * @throws \Pterodactyl\Exceptions\Service\Pack\ZipExtractionException
diff --git a/app/Http/Requests/Admin/Egg/EggImportFormRequest.php b/app/Http/Requests/Admin/Egg/EggImportFormRequest.php
index 776c291e2..b6adb768e 100644
--- a/app/Http/Requests/Admin/Egg/EggImportFormRequest.php
+++ b/app/Http/Requests/Admin/Egg/EggImportFormRequest.php
@@ -18,9 +18,14 @@ class EggImportFormRequest extends AdminFormRequest
      */
     public function rules()
     {
-        return [
+        $rules = [
             'import_file' => 'bail|required|file|max:1000|mimetypes:application/json,text/plain',
-            'import_to_nest' => 'bail|required|integer|exists:nests,id',
         ];
+
+        if ($this->method() !== 'PUT') {
+            $rules['import_to_nest'] = 'bail|required|integer|exists:nests,id';
+        }
+
+        return $rules;
     }
 }
diff --git a/app/Services/Eggs/Sharing/EggImporterService.php b/app/Services/Eggs/Sharing/EggImporterService.php
index 3155eefe8..7143bbc6e 100644
--- a/app/Services/Eggs/Sharing/EggImporterService.php
+++ b/app/Services/Eggs/Sharing/EggImporterService.php
@@ -15,7 +15,8 @@ use Illuminate\Http\UploadedFile;
 use Illuminate\Database\ConnectionInterface;
 use Pterodactyl\Contracts\Repository\EggRepositoryInterface;
 use Pterodactyl\Contracts\Repository\NestRepositoryInterface;
-use Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException;
+use Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
 use Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface;
 
 class EggImporterService
@@ -69,7 +70,8 @@ class EggImporterService
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
-     * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException
+     * @throws \Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
      */
     public function handle(UploadedFile $file, int $nest): Egg
     {
@@ -78,6 +80,11 @@ class EggImporterService
         }
 
         $parsed = json_decode($file->openFile()->fread($file->getSize()));
+        if (json_last_error() !== 0) {
+            throw new BadJsonFormatException(trans('exceptions.nest.importer.json_error', [
+                'error' => json_last_error_msg(),
+            ]));
+        }
 
         if (object_get($parsed, 'meta.version') !== 'PTDL_v1') {
             throw new InvalidFileUploadException(trans('exceptions.nest.importer.invalid_json_provided'));
diff --git a/app/Services/Eggs/Sharing/EggUpdateImporterService.php b/app/Services/Eggs/Sharing/EggUpdateImporterService.php
new file mode 100644
index 000000000..41bc29f06
--- /dev/null
+++ b/app/Services/Eggs/Sharing/EggUpdateImporterService.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace Pterodactyl\Services\Eggs\Sharing;
+
+use Illuminate\Http\UploadedFile;
+use Illuminate\Database\ConnectionInterface;
+use Pterodactyl\Contracts\Repository\EggRepositoryInterface;
+use Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
+use Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface;
+
+class EggUpdateImporterService
+{
+    /**
+     * @var \Illuminate\Database\ConnectionInterface
+     */
+    protected $connection;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\EggRepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface
+     */
+    protected $variableRepository;
+
+    /**
+     * EggUpdateImporterService constructor.
+     *
+     * @param \Illuminate\Database\ConnectionInterface                         $connection
+     * @param \Pterodactyl\Contracts\Repository\EggRepositoryInterface         $repository
+     * @param \Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface $variableRepository
+     */
+    public function __construct(
+        ConnectionInterface $connection,
+        EggRepositoryInterface $repository,
+        EggVariableRepositoryInterface $variableRepository
+    ) {
+        $this->connection = $connection;
+        $this->repository = $repository;
+        $this->variableRepository = $variableRepository;
+    }
+
+    /**
+     * Update an existing Egg using an uploaded JSON file.
+     *
+     * @param int                           $egg
+     * @param \Illuminate\Http\UploadedFile $file
+     *
+     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     * @throws \Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
+     */
+    public function handle(int $egg, UploadedFile $file)
+    {
+        if (! $file->isValid() || ! $file->isFile()) {
+            throw new InvalidFileUploadException(trans('exceptions.nest.importer.file_error'));
+        }
+
+        $parsed = json_decode($file->openFile()->fread($file->getSize()));
+        if (json_last_error() !== 0) {
+            throw new BadJsonFormatException(trans('exceptions.nest.importer.json_error', [
+                'error' => json_last_error_msg(),
+            ]));
+        }
+
+        if (object_get($parsed, 'meta.version') !== 'PTDL_v1') {
+            throw new InvalidFileUploadException(trans('exceptions.nest.importer.invalid_json_provided'));
+        }
+
+        $this->connection->beginTransaction();
+        $this->repository->update($egg, [
+            'author' => object_get($parsed, 'author'),
+            'name' => object_get($parsed, 'name'),
+            'description' => object_get($parsed, 'description'),
+            'docker_image' => object_get($parsed, 'image'),
+            'config_files' => object_get($parsed, 'config.files'),
+            'config_startup' => object_get($parsed, 'config.startup'),
+            'config_logs' => object_get($parsed, 'config.logs'),
+            'config_stop' => object_get($parsed, 'config.stop'),
+            'startup' => object_get($parsed, 'startup'),
+            'script_install' => object_get($parsed, 'scripts.installation.script'),
+            'script_entry' => object_get($parsed, 'scripts.installation.entrypoint'),
+            'script_container' => object_get($parsed, 'scripts.installation.container'),
+        ], true, true);
+
+        // Update Existing Variables
+        collect($parsed->variables)->each(function ($variable) use ($egg) {
+            $this->variableRepository->withoutFresh()->updateOrCreate([
+                'egg_id' => $egg,
+                'env_variable' => $variable->env_variable,
+            ], collect($variable)->except(['egg_id', 'env_variable'])->toArray());
+        });
+
+        $imported = collect($parsed->variables)->pluck('env_variable')->toArray();
+        $existing = $this->variableRepository->withColumns(['id', 'env_variable'])->findWhere([['egg_id', '=', $egg]]);
+
+        // Delete variables not present in the import.
+        collect($existing)->each(function ($variable) use ($egg, $imported) {
+            if (! in_array($variable->env_variable, $imported)) {
+                $this->variableRepository->deleteWhere([
+                    ['egg_id', '=', $egg],
+                    ['env_variable', '=', $variable->env_variable],
+                ]);
+            }
+        });
+
+        $this->connection->commit();
+    }
+}
diff --git a/app/Services/Packs/PackCreationService.php b/app/Services/Packs/PackCreationService.php
index ff40f072a..80b452d88 100644
--- a/app/Services/Packs/PackCreationService.php
+++ b/app/Services/Packs/PackCreationService.php
@@ -13,8 +13,8 @@ use Ramsey\Uuid\Uuid;
 use Illuminate\Http\UploadedFile;
 use Illuminate\Database\ConnectionInterface;
 use Pterodactyl\Contracts\Repository\PackRepositoryInterface;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
 use Illuminate\Contracts\Filesystem\Factory as FilesystemFactory;
-use Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException;
 use Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException;
 
 class PackCreationService
@@ -65,7 +65,7 @@ class PackCreationService
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException
-     * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
      */
     public function handle(array $data, UploadedFile $file = null)
     {
diff --git a/app/Services/Packs/TemplateUploadService.php b/app/Services/Packs/TemplateUploadService.php
index 045bfec48..6495edd68 100644
--- a/app/Services/Packs/TemplateUploadService.php
+++ b/app/Services/Packs/TemplateUploadService.php
@@ -11,8 +11,8 @@ namespace Pterodactyl\Services\Packs;
 
 use ZipArchive;
 use Illuminate\Http\UploadedFile;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
 use Pterodactyl\Exceptions\Service\Pack\ZipExtractionException;
-use Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException;
 use Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException;
 use Pterodactyl\Exceptions\Service\Pack\UnreadableZipArchiveException;
 use Pterodactyl\Exceptions\Service\Pack\InvalidPackArchiveFormatException;
@@ -58,7 +58,7 @@ class TemplateUploadService
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Service\Pack\ZipExtractionException
-     * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException
      * @throws \Pterodactyl\Exceptions\Service\Pack\UnreadableZipArchiveException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidPackArchiveFormatException
@@ -94,7 +94,7 @@ class TemplateUploadService
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Service\Pack\ZipExtractionException
-     * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException
+     * @throws \Pterodactyl\Exceptions\Service\InvalidFileUploadException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException
      * @throws \Pterodactyl\Exceptions\Service\Pack\UnreadableZipArchiveException
      * @throws \Pterodactyl\Exceptions\Service\Pack\InvalidPackArchiveFormatException
diff --git a/resources/lang/en/admin/nests.php b/resources/lang/en/admin/nests.php
index b78af4903..19e6b5a1e 100644
--- a/resources/lang/en/admin/nests.php
+++ b/resources/lang/en/admin/nests.php
@@ -16,6 +16,7 @@ return [
     'eggs' => [
         'notices' => [
             'imported' => 'Successfully imported this Egg and its associated variables.',
+            'updated_via_import' => 'This Egg has been updated using the file provided.',
             'deleted' => 'Successfully deleted the requested egg from the Panel.',
             'updated' => 'Egg configuration has been updated successfully.',
             'script_updated' => 'Egg install script has been updated and will run whenever servers are installed.',
diff --git a/resources/lang/en/exceptions.php b/resources/lang/en/exceptions.php
index c700b62ff..e5bee177d 100644
--- a/resources/lang/en/exceptions.php
+++ b/resources/lang/en/exceptions.php
@@ -31,6 +31,7 @@ return [
             'reserved_name' => 'The environment variable :name is protected and cannot be assigned to a variable.',
         ],
         'importer' => [
+            'json_error' => 'There was an error while attempting to parse the JSON file: :error.',
             'file_error' => 'The JSON file provided was not valid.',
             'invalid_json_provided' => 'The JSON file provided is not in a format that can be recognized.',
         ],
diff --git a/resources/themes/pterodactyl/admin/eggs/view.blade.php b/resources/themes/pterodactyl/admin/eggs/view.blade.php
index 215273005..e5b615c6f 100644
--- a/resources/themes/pterodactyl/admin/eggs/view.blade.php
+++ b/resources/themes/pterodactyl/admin/eggs/view.blade.php
@@ -30,14 +30,39 @@
             </ul>
         </div>
     </div>
+    <div class="col-xs-12">
+        <div class="callout callout-info">
+            <strong>Notice:</strong> Editing an Egg or any of the Process Management fields <em>requires</em> that each Daemon be rebooted in order to apply the changes.
+        </div>
+    </div>
 </div>
-<form action="{{ route('admin.nests.egg.view', $egg->id) }}" method="POST">
+<form action="{{ route('admin.nests.egg.view', $egg->id) }}" enctype="multipart/form-data" method="POST">
     <div class="row">
         <div class="col-xs-12">
-            <div class="callout callout-info">
-                <strong>Notice:</strong> Editing an Egg or any of the Process Management fields <em>requires</em> that each Daemon be rebooted in order to apply the changes.
+            <div class="box box-danger">
+                <div class="box-body">
+                    <div class="row">
+                        <div class="col-xs-8">
+                            <div class="form-group no-margin-bottom">
+                                <label for="pName" class="control-label">Egg File</label>
+                                <div>
+                                    <input type="file" name="import_file" class="form-control" style="border: 0;margin-left:-10px;" />
+                                    <p class="text-muted small no-margin-bottom">If you would like to replace settings for this Egg by uploading a new JSON file, simply select it here and press "Update Egg". This will not change any existing startup strings or Docker images for existing servers.</p>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="col-xs-4">
+                            {!! csrf_field() !!}
+                            <button type="submit" name="_method" value="PUT" class="btn btn-sm btn-danger pull-right">Update Egg</button>
+                        </div>
+                    </div>
+                </div>
             </div>
         </div>
+    </div>
+</form>
+<form action="{{ route('admin.nests.egg.view', $egg->id) }}" method="POST">
+    <div class="row">
         <div class="col-xs-12">
             <div class="box">
                 <div class="box-header with-border">
diff --git a/routes/admin.php b/routes/admin.php
index 8952f3217..da1451cb9 100644
--- a/routes/admin.php
+++ b/routes/admin.php
@@ -163,6 +163,8 @@ Route::group(['prefix' => 'nests'], function () {
     Route::post('/egg/new', 'Nests\EggController@store');
     Route::post('/egg/{egg}/variables', 'Nests\EggVariableController@store');
 
+    Route::put('/egg/{egg}', 'Nests\EggShareController@update');
+
     Route::patch('/view/{nest}', 'Nests\NestController@update');
     Route::patch('/egg/{egg}', 'Nests\EggController@update');
     Route::patch('/egg/{egg}/scripts', 'Nests\EggScriptController@update');
diff --git a/tests/Unit/Services/Eggs/Sharing/EggImporterServiceTest.php b/tests/Unit/Services/Eggs/Sharing/EggImporterServiceTest.php
index 870482e68..db6618784 100644
--- a/tests/Unit/Services/Eggs/Sharing/EggImporterServiceTest.php
+++ b/tests/Unit/Services/Eggs/Sharing/EggImporterServiceTest.php
@@ -21,7 +21,8 @@ use Pterodactyl\Exceptions\PterodactylException;
 use Pterodactyl\Services\Eggs\Sharing\EggImporterService;
 use Pterodactyl\Contracts\Repository\EggRepositoryInterface;
 use Pterodactyl\Contracts\Repository\NestRepositoryInterface;
-use Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException;
+use Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
 use Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface;
 
 class EggImporterServiceTest extends TestCase
@@ -90,7 +91,7 @@ class EggImporterServiceTest extends TestCase
         $this->file->shouldReceive('openFile->fread')->with(100)->once()->andReturn(json_encode([
             'meta' => ['version' => 'PTDL_v1'],
             'name' => $egg->name,
-            'tag' => $egg->tag,
+            'author' => $egg->author,
             'variables' => [
                 $variable = factory(EggVariable::class)->make(),
             ],
@@ -165,4 +166,24 @@ class EggImporterServiceTest extends TestCase
             $this->assertEquals(trans('exceptions.nest.importer.invalid_json_provided'), $exception->getMessage());
         }
     }
+
+    /**
+     * Test that an exception is thrown if bad JSON is provided.
+     */
+    public function testExceptionIsThrownIfBadJsonIsProvided()
+    {
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('isFile')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('getSize')->withNoArgs()->once()->andReturn(100);
+        $this->file->shouldReceive('openFile->fread')->with(100)->once()->andReturn('}');
+
+        try {
+            $this->service->handle($this->file, 1234);
+        } catch (PterodactylException $exception) {
+            $this->assertInstanceOf(BadJsonFormatException::class, $exception);
+            $this->assertEquals(trans('exceptions.nest.importer.json_error', [
+                'error' => json_last_error_msg(),
+            ]), $exception->getMessage());
+        }
+    }
 }
diff --git a/tests/Unit/Services/Eggs/Sharing/EggUpdateImporterServiceTest.php b/tests/Unit/Services/Eggs/Sharing/EggUpdateImporterServiceTest.php
new file mode 100644
index 000000000..b376b80b6
--- /dev/null
+++ b/tests/Unit/Services/Eggs/Sharing/EggUpdateImporterServiceTest.php
@@ -0,0 +1,212 @@
+<?php
+
+namespace Tests\Unit\Services\Eggs\Sharing;
+
+use Mockery as m;
+use Tests\TestCase;
+use Pterodactyl\Models\Egg;
+use Illuminate\Http\UploadedFile;
+use Pterodactyl\Models\EggVariable;
+use Illuminate\Database\ConnectionInterface;
+use Pterodactyl\Exceptions\PterodactylException;
+use Pterodactyl\Contracts\Repository\EggRepositoryInterface;
+use Pterodactyl\Exceptions\Service\Egg\BadJsonFormatException;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
+use Pterodactyl\Services\Eggs\Sharing\EggUpdateImporterService;
+use Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface;
+
+class EggUpdateImporterServiceTest extends TestCase
+{
+    /**
+     * @var \Illuminate\Database\ConnectionInterface|\Mockery\Mock
+     */
+    protected $connection;
+
+    /**
+     * @var \Illuminate\Http\UploadedFile|\Mockery\Mock
+     */
+    protected $file;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\EggRepositoryInterface|\Mockery\Mock
+     */
+    protected $repository;
+
+    /**
+     * @var \Pterodactyl\Services\Eggs\Sharing\EggUpdateImporterService
+     */
+    protected $service;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\EggVariableRepositoryInterface|\Mockery\Mock
+     */
+    protected $variableRepository;
+
+    /**
+     * Setup tests.
+     */
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->connection = m::mock(ConnectionInterface::class);
+        $this->file = m::mock(UploadedFile::class);
+        $this->repository = m::mock(EggRepositoryInterface::class);
+        $this->variableRepository = m::mock(EggVariableRepositoryInterface::class);
+
+        $this->service = new EggUpdateImporterService($this->connection, $this->repository, $this->variableRepository);
+    }
+
+    /**
+     * Test that an egg update is handled correctly using an uploaded file.
+     */
+    public function testEggIsUpdated()
+    {
+        $egg = factory(Egg::class)->make();
+        $variable = factory(EggVariable::class)->make();
+
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('isFile')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('getSize')->withNoArgs()->once()->andReturn(100);
+        $this->file->shouldReceive('openFile->fread')->with(100)->once()->andReturn(json_encode([
+            'meta' => ['version' => 'PTDL_v1'],
+            'name' => $egg->name,
+            'author' => 'newauthor@example.com',
+            'variables' => [$variable->toArray()],
+        ]));
+
+        $this->connection->shouldReceive('beginTransaction')->withNoArgs()->once()->andReturnNull();
+        $this->repository->shouldReceive('update')->with($egg->id, m::subset([
+            'author' => 'newauthor@example.com',
+            'name' => $egg->name,
+        ]), true, true)->once()->andReturn($egg);
+
+        $this->variableRepository->shouldReceive('withoutFresh->updateOrCreate')->with([
+            'egg_id' => $egg->id,
+            'env_variable' => $variable->env_variable,
+        ], collect($variable)->except(['egg_id', 'env_variable'])->toArray())->once()->andReturnNull();
+
+        $this->variableRepository->shouldReceive('withColumns')->with(['id', 'env_variable'])->once()->andReturnSelf()
+            ->shouldReceive('findWhere')->with([['egg_id', '=', $egg->id]])->once()->andReturn([$variable]);
+
+        $this->connection->shouldReceive('commit')->withNoArgs()->once()->andReturnNull();
+
+        $this->service->handle($egg->id, $this->file);
+        $this->assertTrue(true);
+    }
+
+    /**
+     * Test that an imported file with less variables than currently existing deletes
+     * the un-needed variables from the database.
+     */
+    public function testVariablesMissingFromImportAreDeleted()
+    {
+        $egg = factory(Egg::class)->make();
+        $variable1 = factory(EggVariable::class)->make();
+        $variable2 = factory(EggVariable::class)->make();
+
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('isFile')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('getSize')->withNoArgs()->once()->andReturn(100);
+        $this->file->shouldReceive('openFile->fread')->with(100)->once()->andReturn(json_encode([
+            'meta' => ['version' => 'PTDL_v1'],
+            'name' => $egg->name,
+            'author' => 'newauthor@example.com',
+            'variables' => [$variable1->toArray()],
+        ]));
+
+        $this->connection->shouldReceive('beginTransaction')->withNoArgs()->once()->andReturnNull();
+        $this->repository->shouldReceive('update')->with($egg->id, m::subset([
+            'author' => 'newauthor@example.com',
+            'name' => $egg->name,
+        ]), true, true)->once()->andReturn($egg);
+
+        $this->variableRepository->shouldReceive('withoutFresh->updateOrCreate')->with([
+            'egg_id' => $egg->id,
+            'env_variable' => $variable1->env_variable,
+        ], collect($variable1)->except(['egg_id', 'env_variable'])->toArray())->once()->andReturnNull();
+
+        $this->variableRepository->shouldReceive('withColumns')->with(['id', 'env_variable'])->once()->andReturnSelf()
+            ->shouldReceive('findWhere')->with([['egg_id', '=', $egg->id]])->once()->andReturn([$variable1, $variable2]);
+
+        $this->variableRepository->shouldReceive('deleteWhere')->with([
+            ['egg_id', '=', $egg->id],
+            ['env_variable', '=', $variable2->env_variable],
+        ])->once()->andReturnNull();
+
+        $this->connection->shouldReceive('commit')->withNoArgs()->once()->andReturnNull();
+
+        $this->service->handle($egg->id, $this->file);
+        $this->assertTrue(true);
+    }
+
+    /**
+     * Test that an exception is thrown if the file is invalid.
+     */
+    public function testExceptionIsThrownIfFileIsInvalid()
+    {
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(false);
+        try {
+            $this->service->handle(1234, $this->file);
+        } catch (PterodactylException $exception) {
+            $this->assertInstanceOf(InvalidFileUploadException::class, $exception);
+            $this->assertEquals(trans('exceptions.nest.importer.file_error'), $exception->getMessage());
+        }
+    }
+
+    /**
+     * Test that an exception is thrown if the file is not a file.
+     */
+    public function testExceptionIsThrownIfFileIsNotAFile()
+    {
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('isFile')->withNoArgs()->once()->andReturn(false);
+
+        try {
+            $this->service->handle(1234, $this->file);
+        } catch (PterodactylException $exception) {
+            $this->assertInstanceOf(InvalidFileUploadException::class, $exception);
+            $this->assertEquals(trans('exceptions.nest.importer.file_error'), $exception->getMessage());
+        }
+    }
+
+    /**
+     * Test that an exception is thrown if the JSON metadata is invalid.
+     */
+    public function testExceptionIsThrownIfJsonMetaDataIsInvalid()
+    {
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('isFile')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('getSize')->withNoArgs()->once()->andReturn(100);
+        $this->file->shouldReceive('openFile->fread')->with(100)->once()->andReturn(json_encode([
+            'meta' => ['version' => 'hodor'],
+        ]));
+
+        try {
+            $this->service->handle(1234, $this->file);
+        } catch (PterodactylException $exception) {
+            $this->assertInstanceOf(InvalidFileUploadException::class, $exception);
+            $this->assertEquals(trans('exceptions.nest.importer.invalid_json_provided'), $exception->getMessage());
+        }
+    }
+
+    /**
+     * Test that an exception is thrown if bad JSON is provided.
+     */
+    public function testExceptionIsThrownIfBadJsonIsProvided()
+    {
+        $this->file->shouldReceive('isValid')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('isFile')->withNoArgs()->once()->andReturn(true);
+        $this->file->shouldReceive('getSize')->withNoArgs()->once()->andReturn(100);
+        $this->file->shouldReceive('openFile->fread')->with(100)->once()->andReturn('}');
+
+        try {
+            $this->service->handle(1234, $this->file);
+        } catch (PterodactylException $exception) {
+            $this->assertInstanceOf(BadJsonFormatException::class, $exception);
+            $this->assertEquals(trans('exceptions.nest.importer.json_error', [
+                'error' => json_last_error_msg(),
+            ]), $exception->getMessage());
+        }
+    }
+}
diff --git a/tests/Unit/Services/Packs/PackCreationServiceTest.php b/tests/Unit/Services/Packs/PackCreationServiceTest.php
index 972ee7a45..d0baddf30 100644
--- a/tests/Unit/Services/Packs/PackCreationServiceTest.php
+++ b/tests/Unit/Services/Packs/PackCreationServiceTest.php
@@ -19,7 +19,7 @@ use Illuminate\Contracts\Filesystem\Factory;
 use Illuminate\Database\ConnectionInterface;
 use Pterodactyl\Services\Packs\PackCreationService;
 use Pterodactyl\Contracts\Repository\PackRepositoryInterface;
-use Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
 use Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException;
 
 class PackCreationServiceTest extends TestCase
diff --git a/tests/Unit/Services/Packs/TemplateUploadServiceTest.php b/tests/Unit/Services/Packs/TemplateUploadServiceTest.php
index 4082fdd59..c1df4c207 100644
--- a/tests/Unit/Services/Packs/TemplateUploadServiceTest.php
+++ b/tests/Unit/Services/Packs/TemplateUploadServiceTest.php
@@ -16,8 +16,8 @@ use Pterodactyl\Models\Pack;
 use Illuminate\Http\UploadedFile;
 use Pterodactyl\Services\Packs\PackCreationService;
 use Pterodactyl\Services\Packs\TemplateUploadService;
+use Pterodactyl\Exceptions\Service\InvalidFileUploadException;
 use Pterodactyl\Exceptions\Service\Pack\ZipExtractionException;
-use Pterodactyl\Exceptions\Service\Pack\InvalidFileUploadException;
 use Pterodactyl\Exceptions\Service\Pack\InvalidFileMimeTypeException;
 use Pterodactyl\Exceptions\Service\Pack\UnreadableZipArchiveException;
 use Pterodactyl\Exceptions\Service\Pack\InvalidPackArchiveFormatException;